/*
 * Copyright (c) 2012, Fredrik Yttergren
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name LucidBot nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Fredrik Yttergren BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package setup.ui.custom;

import com.google.inject.Provider;
import com.vaadin.ui.Component;
import com.vaadin.ui.ComponentContainer;
import com.vaadin.ui.TabSheet;
import com.vaadin.ui.VerticalLayout;

public class VerticalLayoutLazyTab implements LazyTab {
    private final VerticalLayout root = new VerticalLayout();
    private final Provider<? extends Component> contentProvider;
    private final String caption;

    public VerticalLayoutLazyTab(final Provider<? extends Component> contentProvider, final String caption) {
        this.contentProvider = contentProvider;
        this.caption = caption;
    }

    @Override
    public ComponentContainer getContainer() {
        return root;
    }

    @Override
    public void setEnabled(final boolean enabled) {
        TabSheet parent = (TabSheet) root.getParent();
        parent.getTab(root).setEnabled(enabled);
    }

    @Override
    public void refresh() {
        root.removeAllComponents();
        root.addComponent(contentProvider.get());
    }

    @Override
    public String getCaption() {
        return caption;
    }
}
